mraleph - Explaining JavaScript VMs in JavaScript
I have a thing for virtual machines that are implemented in the language (or a subset of the language) they are built to execute. If I were in the academia or just had a little bit more free time I would definitely start working on a JavaScript VM written in JavaScript. That would not be the first project even for JavaScript because people from Université de Montréal kinda got there first with Tac
mraleph
Disclaimer: This is my personal blog. The views expressed on this page are mine alone and not those of my employer. This post is about JavaScript performance but I would like to start it by telling a story that might seem unrelated to JS. Please bear with me if you don’t like C. A story of a C programmer writing JavaScript Mr. C. is a C programmer as you can probably guess from his name. Today he
Improved V8 external arrays support and nodejs Buffer type - mraleph
Recently V8’s optimizing pipeline (Crankshaft) got full support for external arrays (aka WebGL typed arrays). One of core NodeJS types - Buffer - is exposed to JavaScript code as an external unsigned byte array so I decided to do a small unscientific benchmark to see the improvement with my own eyes: var LONG_STRING = "qwertyuiop"; for (var i = 0; i < 13; i++) LONG_STRING += LONG_STRING; // force
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